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_Duck_Dot_Dot_Happy

南方有嘉木，北方有相思。 嘉木风可摧，相思不可断。
1126 problems
solved for all time
1057 problems
solved for the last year
24 problems
solved for the last month
18 days
in a row max.
17 days
in a row for the last year
3 days
in a row for the last month